@MISC{10665-64439, author = {World Health Organization. Division of Emerging and other Communicable Diseases Surveillance and Control}, title = {The Medical impact of the use of antimicrobials in food animals : report of a WHO meeting, Berlin, Germany, 13-17 October 1997}, year = {1997}, pages = {WHO/EMC/ZOO/97.4}, publisher = {World Health Organization} }